Transcription and translation are processes a cell uses to make all proteins the body needs to function from information stored in the sequence of bases in DNA. A ribosome is composed of two subunits: large and small. During translation, ribosomal subunits assemble like a sandwich on the strand of mRNA, where they proceed to attract tRNA molecules tethered to amino acids (circles). A long chain of amino acids emerges as the ribosome decodes the mRNA sequence into a polypeptide or a new protein.

Hima Xavier

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